1·There should be no entry or exit barriers for users.
不应该有用户进入或者退出的屏障。
2·The research on the entry and exit barriers is an important part of industrial economics.
进入与退出壁垒的研究是产业经济学的重要组成部分。
3·For the competitive environment of the industry, it's growing up towards maturity period, there are some entry barriers, almost without exit barriers.
在行业直接环境方面：目前行业处于成长期向成熟期的过渡阶段，存在进入障碍，基本无退出障碍。
4·Second, analyzing on the exit barriers, we think it is the underdeveloped market system and social burden which increase the cost for enterprises to exit certain market.
其次，从退出壁垒角度分析，市场机制的不完善和企业的社会负担增加了企业的退出成本。
5·We examine an aggregate index of the business environment that incorporates information on entry and exit barriers, effective property rights protection, and sound contract enforcement.
我们分析一个商业环境总指数，该指数包括有关于进入和退出的各种障碍、切实有效的保护私人财产权利和健全的执行契约的信息。
6·Built with safety in mind, the highways have wide lanes and shoulders, dividing medians, or barriers, long entry and exit lanes, curves engineered for safe turns, and limited access.
出于对安全因素的考虑，公路有宽阔的车道和路肩、中央分隔带、界限、长长的出入口车道、为安全转弯而设计的弯道，以及限定数量的入口。
7·The barriers to entry are low, and the barriers to exit are low. A lot of people are trying things.
进场出场的门槛都很低，会有很多人来尝试。
8·Market Specific Factors: Barriers to Entry and Exit
市场特定因素：进出壁垒
9·Secondly, we studied the market barriers systematically which are now circumscribed to greenfield entry and closedown exit.
第二，对主要作用于新建进入和关闭退出的市场壁垒进行了系统的分析。
10·ABSTRACT Barriers to entry and exit are an important part of the Theory of Industrial Organization.
进入及退出的壁垒是产业组织理论的重要内容。